interfacing ds1307 rtc chip with avr microcontroller
#AVR
#DS1307
#RTC
#I2C
#real-time clock
#microcontroller
#embedded systems
#timekeeping
#synchronization
#circuit design
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avr programmer how to make
This simple AVR Programmer allows the transfer of hex programs to most Atmel AVR microcontrollers without compromising budget and time. It is more reliable than many other basic AVR programmers available and can be assembled in a short timeframe. The...
avr
Inspired by the work of Nanode and a recent Instructable, an AVR-based Ethernet board has been developed that can be programmed and utilized similarly to an Arduino. This straightforward design is based on the ATMega microcontroller and Microchip's ENC28J60 Ethernet...
AVR programmer
To program some AVR microcontroller unit (MCU) you will need an AVR programmer. The better way to do that is to buy some development kit like STK-500. This kit has the advantage to give you serial port, LCD connector, SRAM...
AVR Serial Port Programmer
The entire AVR programmer has been built using common parts and fits in the case of the serial connector. The socket PCB has been created to accommodate a 28-DIP AVR ATmega8 microcontroller, but a socket PCB can be designed for...
AVR High Voltage Programmer Using Arduino
The project explains how to create a simple AVR High Voltage Programmer using Arduino. It can be utilized to fix or recover incorrectly fused AVR chips.
The AVR High Voltage Programmer is designed to reprogram AVR microcontrollers that have been inadvertently...
I2C Bus I2C Interface description
The I2C bus employs a bi-directional Serial Clock Line (SCL) and Serial Data Line (SDA). Both the SCL and SDA lines are pulled high using a pull-up resistor (Rp). An optional resistor (Rs) is utilized for ESD protection in hot-swap...
Multitasking Pins
It is entirely logical that low-cost miniature microcontrollers have fewer pins than their larger counterparts, sometimes too few. Consideration has been given to how to economize on pins by making them perform multiple functions. One approach is to exploit the...
moving message display
An LCD can display a brief moving message when interfaced with a microcontroller. This project features an AVR-based moving-message display utilizing a 16G-2 LCD that incorporates the HD44780 controller. The 16G-2 LCD is capable of displaying 16 characters per line...
AccelR8
The schematic shows that the AccelR8 only uses 3 ICs. An AVR 8515 microcontroller does the calculation work and controls the other circuits. A MAX603 controls voltage and power-on/power-off. And the chip that makes it all possible, the ADXL202 from...